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asked Jul 6, 2018 18.4k views

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Misterbee · Answer 1 · 2018-07-10T12:46:39+0000

ok so to find the ratio just do 12/16 = 3/4. that's your common ratio.

The formula for sum of infinite :

a / (1 - r)

a is the first term and r is the ratio

which is

16 / (1 - (3/4))

which is

16 / (1/4)

16 * 4

which is 64

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